Difference between revisions of "September 15"
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| − | [[1968]] – The Soviet Zond 5 spaceship is launched, becoming the first spacecraft to fly around the Moon and re-enter the Earth's atmosphere. | + | [[1910]] – A paper on [[Gamma radiation|cosmic radiation]] is published, suggesting that [[Earth]] is under constant radiation bombardment from outer space, and from sources other than [[Sol|the sun]]. <br> |
| + | [[1968]] – The Soviet Zond 5 spaceship is launched, becoming the first spacecraft to fly around [[Luna|the Moon]] and re-enter the [[Earth]]'s [[atmosphere]]. <br> | ||
| + | [[1998]] – [[Jupiter]]'s planetary rings are declared to be made of dust from the impacts of cosmic bodies that crashed into the [[planet]]'s [[moon]]s. <br> | ||
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<noinclude>[[Category:On This Day|259]]</noinclude> | <noinclude>[[Category:On This Day|259]]</noinclude> | ||
Revision as of 15:43, 9 September 2022
1910 – A paper on cosmic radiation is published, suggesting that Earth is under constant radiation bombardment from outer space, and from sources other than the sun.
1968 – The Soviet Zond 5 spaceship is launched, becoming the first spacecraft to fly around the Moon and re-enter the Earth's atmosphere.
1998 – Jupiter's planetary rings are declared to be made of dust from the impacts of cosmic bodies that crashed into the planet's moons.
